Bluetooth: Add SMP flag for SC and set it when necessary.
This patch adds a new SMP flag for tracking whether Secure Connections is in use and sets the flag when both remote and local side have elected to use Secure Connections. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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0edb14de56
Коммит
6566877694
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@ -45,6 +45,7 @@ enum {
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SMP_FLAG_MITM_AUTH,
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SMP_FLAG_COMPLETE,
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SMP_FLAG_INITIATOR,
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SMP_FLAG_SC,
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};
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struct smp_chan {
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@ -973,6 +974,9 @@ static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb)
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build_pairing_cmd(conn, req, &rsp, auth);
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if (rsp.auth_req & SMP_AUTH_SC)
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set_bit(SMP_FLAG_SC, &smp->flags);
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key_size = min(req->max_key_size, rsp.max_key_size);
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if (check_enc_key_size(conn, key_size))
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return SMP_ENC_KEY_SIZE;
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@ -1020,6 +1024,9 @@ static u8 smp_cmd_pairing_rsp(struct l2cap_conn *conn, struct sk_buff *skb)
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auth = rsp->auth_req & AUTH_REQ_MASK(hdev);
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if ((req->auth_req & SMP_AUTH_SC) && (auth & SMP_AUTH_SC))
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set_bit(SMP_FLAG_SC, &smp->flags);
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/* If we need MITM check that it can be achieved */
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if (conn->hcon->pending_sec_level >= BT_SECURITY_HIGH) {
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u8 method;
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